.page-products {
  --sv-gap: clamp(16px, 2.2vw, 26px);
  --sv-card-pad: clamp(20px, 2.6vw, 30px);
  display: block;
  background: var(--sand-white);
  color: var(--ink);
}

.page-products .display-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6.2vw, 72px);
  line-height: 1.02;
  letter-spacing: .04em;
  font-weight: 800;
  margin: 14px 0 0;
  color: var(--sand-white);
}

.page-products .sv-hero .lede {
  max-width: 640px;
  margin-top: 22px;
  color: rgba(245, 239, 228, .84);
  font-size: 17px;
  line-height: 1.85;
}

.page-products .section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.12;
  letter-spacing: .035em;
  font-weight: 800;
  margin: 10px 0 0;
}

.page-products .eyebrow {
  letter-spacing: .24em;
  font-size: 12px;
}

/* ---------- 首屏 ---------- */
.page-products .sv-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 54px) 0 clamp(48px, 6vw, 86px);
  background:
    radial-gradient(115% 85% at 84% 6%, rgba(18, 166, 160, .30), transparent 62%),
    radial-gradient(90% 70% at 8% 96%, rgba(59, 46, 126, .38), transparent 66%),
    linear-gradient(178deg, var(--deep-sea) 0%, var(--night-indigo) 100%);
}

.page-products .sv-hero-coast {
  position: absolute;
  inset: auto 0 -2px 0;
  width: 100%;
  height: clamp(80px, 12vw, 150px);
  pointer-events: none;
}

.page-products .sv-hero-inner {
  position: relative;
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
}

.page-products .sv-hero .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  font-size: 13px;
  color: rgba(245, 239, 228, .62);
}

.page-products .sv-hero .breadcrumb-list a {
  color: var(--tide-teal-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 215, 210, .35);
}

.page-products .sv-hero .breadcrumb-list a:hover,
.page-products .sv-hero .breadcrumb-list a:focus-visible {
  border-bottom-color: var(--signal-orange);
  color: var(--sand-white);
}

.page-products .sv-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-products .sv-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  list-style: none;
  margin: 34px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid rgba(216, 210, 198, .22);
}

.page-products .sv-hero-meta li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-products .sv-meta-num {
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--signal-orange);
  letter-spacing: .06em;
}

.page-products .sv-meta-label {
  font-size: 14px;
  color: rgba(245, 239, 228, .78);
}

.page-products .sv-hero-figure {
  margin: 0;
}

.page-products .sv-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid rgba(216, 210, 198, .26);
}

.page-products .figure-caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 239, 228, .66);
}

/* ---------- 服务卡片带 ---------- */
.page-products .sv-services {
  background: var(--sand-white);
}

.page-products .sv-head {
  display: block;
}

.page-products .sv-head-lede {
  margin-top: 18px;
}

.page-products .sv-rail {
  display: flex;
  gap: var(--sv-gap);
  margin-top: clamp(28px, 4vw, 48px);
  padding: 6px max(var(--gutter), calc((100% - var(--maxw)) / 2 + var(--gutter))) 30px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scroll-padding-inline: var(--gutter);
  -webkit-overflow-scrolling: touch;
  outline-offset: -2px;
}

.page-products .sv-rail:focus-visible {
  outline: 2px solid var(--signal-orange);
}

.page-products .sv-card {
  flex: 0 0 auto;
  scroll-snap-align: start;
  width: min(80vw, 330px);
  padding: var(--sv-card-pad);
  border: 1px solid var(--sand-gray);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform 250ms var(--ease), border-color 250ms var(--ease);
}

.page-products .sv-card:nth-child(2) {
  width: min(78vw, 300px);
}

.page-products .sv-card:nth-child(3) {
  width: min(86vw, 400px);
}

.page-products .sv-card:hover {
  transform: translateY(-4px);
  border-color: var(--tide-teal);
}

.page-products .sv-card--night {
  background: var(--night-indigo);
  color: var(--sand-white);
  border-color: rgba(216, 210, 198, .2);
}

.page-products .sv-card--mist {
  background: var(--mist-white);
  color: var(--ink);
}

.page-products .sv-card--wine {
  background: var(--wine);
  color: var(--sand-white);
  border-color: rgba(216, 210, 198, .22);
}

.page-products .sv-card--sand {
  background: var(--sand-white);
  color: var(--ink);
  border-color: var(--sand-gray);
}

.page-products .sv-card-num {
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--signal-orange);
  margin: 0;
}

.page-products .sv-card-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.15;
  letter-spacing: .03em;
  margin: 0;
}

.page-products .sv-card-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  opacity: .88;
}

.page-products .sv-card-facts {
  margin: 4px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid currentColor;
  border-color: color-mix(in srgb, currentColor 22%, transparent);
  display: grid;
  gap: 8px;
}

.page-products .sv-card-facts > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}

.page-products .sv-card-facts dt {
  opacity: .68;
}

.page-products .sv-card-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

.page-products .sv-details {
  margin-top: auto;
  border-top: 1px dashed color-mix(in srgb, currentColor 26%, transparent);
  padding-top: 14px;
}

.page-products .sv-details summary {
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--signal-orange);
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-products .sv-details summary::-webkit-details-marker {
  display: none;
}

.page-products .sv-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
}

.page-products .sv-details[open] summary::after {
  content: "−";
}

.page-products .sv-details summary:focus-visible {
  outline: 2px solid var(--signal-orange);
  outline-offset: 3px;
}

.page-products .sv-details-body {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows 280ms var(--ease);
}

.page-products .sv-details[open] .sv-details-body {
  grid-template-rows: 1fr;
}

.page-products .sv-details-body > div {
  min-height: 0;
}

.page-products .sv-details-body p {
  margin: 12px 0 0;
  max-width: 42ch;
  font-size: 14px;
  line-height: 1.8;
  opacity: .84;
}

/* ---------- 数据模块 ---------- */
.page-products .sv-data {
  background: linear-gradient(180deg, var(--night-indigo) 0%, var(--deep-sea) 100%);
  color: var(--sand-white);
}

.page-products .sv-data .section-title {
  color: var(--sand-white);
}

.page-products .sv-data-head {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: flex-start;
}

.page-products .sv-refresh {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 8px 14px;
  border: 1px solid rgba(216, 210, 198, .28);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--tide-teal-soft);
}

.page-products .sv-refresh-dot {
  width: 6px;
  height: 6px;
  background: var(--signal-orange);
  border-radius: 50%;
  animation: sv-blink 2.4s var(--ease) infinite;
}

@keyframes sv-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: .25; }
}

.page-products .sv-data-body {
  margin-top: clamp(28px, 4vw, 44px);
}

.page-products .sv-data-figure {
  margin: 0 0 clamp(26px, 3.4vw, 40px);
}

.page-products .sv-data-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid rgba(216, 210, 198, .22);
}

.page-products .sv-table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(216, 210, 198, .22);
  outline-offset: 2px;
}

.page-products .sv-table-wrap:focus-visible {
  outline: 2px solid var(--signal-orange);
}

.page-products .sv-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .sv-table caption {
  text-align: left;
}

.page-products .sv-table th,
.page-products .sv-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid rgba(216, 210, 198, .16);
  white-space: nowrap;
}

.page-products .sv-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .16em;
  color: var(--tide-teal-soft);
  background: rgba(7, 34, 58, .6);
}

.page-products .sv-table tbody th {
  font-weight: 600;
  color: var(--sand-white);
}

.page-products .sv-table tbody td {
  color: rgba(245, 239, 228, .82);
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

.page-products .sv-table tbody tr:hover {
  background: rgba(18, 166, 160, .12);
}

.page-products .sv-spark {
  width: 96px;
  height: 26px;
  display: block;
}

.page-products .sv-spark polyline {
  fill: none;
  stroke: var(--tide-teal);
  stroke-width: 1.6;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.page-products .sv-spark--hot polyline {
  stroke: var(--signal-orange);
}

.page-products .sv-data-note {
  margin: 20px 0 0;
  max-width: 720px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 239, 228, .7);
}

/* ---------- 历史交锋 ---------- */
.page-products .sv-archive-grid {
  display: grid;
  gap: clamp(30px, 4vw, 54px);
}

.page-products .sv-archive-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .sv-step {
  padding: 22px 0;
  border-top: 1px solid var(--sand-gray);
  display: grid;
  gap: 8px;
}

.page-products .sv-step:last-child {
  border-bottom: 1px solid var(--sand-gray);
}

.page-products .sv-step-num {
  margin: 0;
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--tide-teal);
}

.page-products .sv-step-title {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: .03em;
  margin: 0;
}

.page-products .sv-step p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 多端查阅 ---------- */
.page-products .sv-devices {
  background: var(--mist-white);
}

.page-products .sv-devices-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-products .sv-device-figure {
  margin: 0;
}

.page-products .sv-device-figure img {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border: 1px solid var(--sand-gray);
}

.page-products .sv-devices .figure-caption {
  color: #55606B;
  max-width: 380px;
}

.page-products .sv-device-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-products .sv-device-list li {
  padding-left: 20px;
  border-left: 1px solid var(--tide-teal);
}

.page-products .sv-device-list h3 {
  margin: 0 0 6px;
  font-size: 17px;
  letter-spacing: .02em;
}

.page-products .sv-device-list p {
  margin: 0;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 场景 ---------- */
.page-products .sv-scenes {
  background: var(--sand-white);
}

.page-products .sv-scene-banner {
  margin: clamp(26px, 3.6vw, 44px) 0 0;
  padding: 0 var(--gutter);
}

.page-products .sv-scene-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  opacity: .92;
}

.page-products .sv-scenes .figure-caption {
  color: #55606B;
}

.page-products .sv-scene-grid {
  margin-top: clamp(28px, 4vw, 48px);
  display: grid;
  gap: var(--sv-gap);
}

.page-products .sv-scene {
  padding: 24px 0 0;
  border-top: 2px solid var(--deep-sea);
}

.page-products .sv-scene:nth-child(2) {
  border-top-color: var(--wine);
}

.page-products .sv-scene:nth-child(3) {
  border-top-color: var(--indigo-violet);
}

.page-products .sv-scene-tag {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--tide-teal);
}

.page-products .sv-scene-title {
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: .025em;
  margin: 0 0 10px;
}

.page-products .sv-scene p {
  font-size: 15px;
  line-height: 1.82;
  margin: 0;
}

.page-products .sv-scene-tail {
  margin-top: clamp(30px, 4vw, 50px);
}

.page-products .sv-scene-photo {
  margin: 0;
}

.page-products .sv-scene-photo img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .sv-scenes .sv-scene-photo .figure-caption {
  color: #55606B;
}

/* ---------- 版本 ---------- */
.page-products .sv-version-grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-products .sv-version-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .sv-version-list li {
  background: var(--mist-white);
  border-left: 3px solid var(--tide-teal);
  padding: 20px 22px;
}

.page-products .sv-version-list li:nth-child(2) {
  border-left-color: var(--signal-orange);
}

.page-products .sv-version-list li:nth-child(3) {
  border-left-color: var(--indigo-violet);
}

.page-products .sv-version-tag {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--tide-teal);
}

.page-products .sv-version-list h3 {
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: .02em;
}

.page-products .sv-version-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 下一步 ---------- */
.page-products .sv-next {
  background: var(--deep-sea);
  color: var(--sand-white);
}

.page-products .sv-next .section-title {
  color: var(--sand-white);
}

.page-products .sv-next-links {
  margin-top: 30px;
  display: grid;
  gap: var(--sv-gap);
}

.page-products .sv-next-card {
  display: block;
  padding: 24px;
  text-decoration: none;
  color: inherit;
  background: rgba(16, 27, 58, .7);
  border: 1px solid rgba(216, 210, 198, .22);
  transition: transform 250ms var(--ease), border-color 250ms var(--ease);
}

.page-products .sv-next-card:hover,
.page-products .sv-next-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--tide-teal);
  outline: none;
}

.page-products .sv-next-card:focus-visible {
  box-shadow: 0 0 0 2px var(--signal-orange);
}

.page-products .sv-next-num {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--signal-orange);
}

.page-products .sv-next-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: .03em;
}

.page-products .sv-next-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(245, 239, 228, .74);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .sv-data-head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
  }

  .page-products .sv-archive-grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-products .sv-devices-grid {
    grid-template-columns: 4fr 8fr;
    align-items: start;
  }

  .page-products .sv-scene-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .sv-version-grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-products .sv-next-links {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 980px) {
  .page-products .sv-hero-inner {
    grid-template-columns: repeat(12, 1fr);
    align-items: center;
  }

  .page-products .sv-hero-copy {
    grid-column: 1 / 7;
  }

  .page-products .sv-hero-figure {
    grid-column: 7 / 13;
    margin-left: clamp(16px, 2vw, 32px);
  }
}

@media (max-width: 759px) {
  .page-products .sv-rail {
    padding-bottom: 22px;
  }

  .page-products .sv-card,
  .page-products .sv-card:nth-child(2),
  .page-products .sv-card:nth-child(3) {
    width: min(84vw, 340px);
  }

  .page-products .sv-table th,
  .page-products .sv-table td {
    padding: 12px 14px;
  }

  .page-products .sv-hero-meta {
    gap: 12px 22px;
  }
}